107 lines
3.7 KiB
Bash
107 lines
3.7 KiB
Bash
#!/bin/sh
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# Check if at least one argument was passed to the script
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# If one argument was passed and JAVA_VERSION is set, assign the argument to OS
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# If two arguments were passed, assign them to JAVA_VERSION and OS respectively
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# If three arguments were passed, assign them to JAVA_VERSION, OS and ARCHS respectively
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# If not, check if JAVA_VERSION and OS are already set. If they're not set, exit the script with an error message
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if [ $# -eq 1 ] && [ -n "$JAVA_VERSION" ]; then
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OS=$1
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elif [ $# -eq 2 ]; then
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JAVA_VERSION=$1
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OS=$2
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elif [ $# -eq 3 ]; then
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JAVA_VERSION=$1
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OS=$2
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ARCHS=$3
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elif [ -z "$JAVA_VERSION" ] && [ -z "$OS" ]; then
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echo "Error: No Java version and OS specified. Please set the JAVA_VERSION and OS environment variables or pass them as arguments." >&2
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exit 1
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elif [ -z "$JAVA_VERSION" ]; then
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echo "Error: No Java version specified. Please set the JAVA_VERSION environment variable or pass it as an argument." >&2
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exit 1
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elif [ -z "$OS" ]; then
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OS=$1
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if [ -z "$OS" ]; then
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echo "Error: No OS specified. Please set the OS environment variable or pass it as an argument." >&2
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exit 1
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fi
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fi
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# Check if ARCHS is set. If it's not set, assign the current architecture to it
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if [ -z "$ARCHS" ]; then
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ARCHS=$(uname -m | sed -e 's/x86_64/x64/' -e 's/armv7l/arm/')
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else
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# Convert ARCHS to an array
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OLD_IFS=$IFS
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IFS=','
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set -- "$ARCHS"
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ARCHS=""
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for arch in "$@"; do
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ARCHS="$ARCHS $arch"
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done
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IFS=$OLD_IFS
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fi
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# Check if jq and curl are installed
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# If they are not installed, exit the script with an error message
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if ! command -v jq >/dev/null 2>&1 || ! command -v curl >/dev/null 2>&1; then
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echo "jq and curl are required but not installed. Exiting with status 1." >&2
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exit 1
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fi
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# Replace underscores with plus signs in JAVA_VERSION
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ARCHIVE_DIRECTORY=$(echo "$JAVA_VERSION" | tr '_' '+')
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# URL encode ARCHIVE_DIRECTORY
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ENCODED_ARCHIVE_DIRECTORY=$(echo "$ARCHIVE_DIRECTORY" | xargs -I {} printf %s {} | jq "@uri" -jRr)
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# Determine the OS type for the URL
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OS_TYPE="linux"
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if [ "$OS" = "alpine" ]; then
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OS_TYPE="alpine-linux"
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fi
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if [ "$OS" = "windows" ]; then
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OS_TYPE="windows"
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fi
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# Initialize a variable to store the URL for the first architecture
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FIRST_ARCH_URL=""
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# Loop over the array of architectures
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for ARCH in $ARCHS; do
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# Fetch the download URL from the Adoptium API
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URL="https://api.adoptium.net/v3/binary/version/jdk-${ENCODED_ARCHIVE_DIRECTORY}/${OS_TYPE}/${ARCH}/jdk/hotspot/normal/eclipse?project=jdk"
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if ! RESPONSE=$(curl -fsI "$URL"); then
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echo "Error: Failed to fetch the URL for architecture ${ARCH} from ${URL}. Exiting with status 1." >&2
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echo "Response: $RESPONSE" >&2
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exit 1
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fi
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# Extract the redirect URL from the HTTP response
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REDIRECTED_URL=$(echo "$RESPONSE" | grep -i location | awk '{print $2}' | tr -d '\r')
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# If no redirect URL was found, exit the script with an error message
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if [ -z "$REDIRECTED_URL" ]; then
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echo "Error: No redirect URL found for architecture ${ARCH} from ${URL}. Exiting with status 1." >&2
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echo "Response: $RESPONSE" >&2
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exit 1
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fi
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# Use curl to check if the URL is reachable
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# If the URL is not reachable, print an error message and exit the script with status 1
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if ! curl -v -fs "$REDIRECTED_URL" >/dev/null 2>&1; then
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echo "${REDIRECTED_URL}" is not reachable for architecture "${ARCH}". >&2
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exit 1
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fi
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# If FIRST_ARCH_URL is empty, store the current URL
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if [ -z "$FIRST_ARCH_URL" ]; then
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FIRST_ARCH_URL=$REDIRECTED_URL
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fi
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done
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# If all downloads are successful, print the URL for the first architecture
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echo "$FIRST_ARCH_URL"
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